Answer
$240$
Work Step by Step
The equation here is $y=kxz$. Thus $25=2\cdot5k\\25=10k\\k=\frac{5}{2}$.
Hence $y=\frac{5}{2}xz=\frac{5}{2}\cdot8\cdot12=240.$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 6 - Section 6.8 - Modeling Using Variation - Exercise Set - Page 487: 7
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